There are two primary benefits from implementing effective preventive maintenance in a facility: 1) Reduced costs of repairs and minimized or eliminated downtime. 2) Safety for personnel and property damage.

Positives in Developing an Electrical Testing Program Good economic judgment is necessary for developing an effective electrical preventive maintenance program. As indicated earlier, two objectives of such a program should be focused on enhancing safety and reducing equipment failure and loss. The program should include regular inspections, periodic testing and servicing of equipment, and effective record-keeping.

There are four basic steps that should be taken to develop an electrical preventive maintenance program. First, compile a list of electrical equipment in the facility. Second, determine which equipment is most critical for the operation. Third, implement a monitoring system for length of use and duty cycles, and identify signs of failure or fatigue. Fourth, identify the resources needed to implement the maintenance program.

Training and Safe Work Practices. The technician performing periodic maintenance and service of electrical equipment should have a thorough understanding of the electrical field and should be trained and familiar with the equipment and systems they must maintain and work on. Qualified and trained personnel understand the construction and operation of equipment and installations, and they have safety training to recognize and avoid the hazards involved.

The definition of a qualified person is the same in the National Electrical Code (NEC) as it is in NFPA 70B, Recommended Practice for Electrical Equipment Maintenance.

Summary Preventive maintenance is often ignored and considered too expensive to implement. In reality, it is a valuable investment that is measurable. Preventive maintenance can help avoid equipment failure, alleviate repair and replacement costs, and increase safety for personnel. It should not be treated as an unnecessary investment.

The NEC includes mandatory requirements for periodic maintenance of essential power systems. While preventive maintenance is not required for general, nonessential loads, it is recommended.

Various resources with information about preventive maintenance programs are available—some simple, some really complex. Refer to the information in NFPA 70B, Recommended Practice for Electrical Preventive Maintenance, for more detailed information about effective programs.

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About JS Fleming

With many years of application sales experience in the mission critical applications business, J.S. Fleming Associates will be able to deliver a more comprehensive offering of Vertiv and Liebert products and services to our existing and new customers in the New England Region.

Committed to delivering uninterruptible power supply systems (UPS), thermal management systems, network protection, rack solutions, site monitoring and power and air support services, J.S. Fleming Associates can provide integrated solutions for 7x24 mission critical applications ranging from the smallest server room to the largest data center.